<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>json with padding</title>
</head>
<body>
	<script>
		function jsonpCallback(data) {
			alert('获得 X 数据:' + data.x);
		}
	</script>
	<script src="http://127.0.0.1:3000?callback=jsonpCallback"></script>
</body>
</html>